Every year, 310 murder cases remain unresolved in France, and the families of victims are devastated. The French judicial system is ruthless: there is no money to continue investigating fruitless cases. Chasing the killer to help bring justice to families that have lost loved ones is not only a job, but also the responsibility of Thomas Barresky, a retired and hot detective. Thomas Barresky is a wandering, unrestrained, and nature loving soul who lives in his own van. He is not only a kind person, but also an extraordinary policeman. He is ready to subvert his lifestyle to complete his mission.